Era
Cretaceous
2,688
Quaternary
1,817
Tertiary
1,747
Devonian
1,506
Paleozoic
1,500
Pleistocene
1,333
Jurassic
1,245
Precambrian
1,202
From 65 to 140 million years ago
1,089
Carboniferous
1,068
Ordovician
994
Mesozoic
989
Cenozoic
973
Miocene
959
Permian
950
From 2 million years ago
907
Silurian
881
Triassic
844
Eocene
831
Cambrian
745
From 2 to 65 million years ago
738
From 10 thousand to 2 million years ago
635
From 230 to 570 million years ago
628
From 345 to 405 million years ago
613
Pennsylvanian
592
From 140 to 190 million years ago
526
Pliocene
523
From 570 million to 5 billion years ago
512
From 65 to 230 million years ago
465
From 280 to 345 million years ago
462
From 10 to 25 million years ago
429
Mississippian
399
Holocene
397
From 65 million years ago
393
Oligocene
383
From 425 to 500 million years ago
364
From 40 to 55 million years ago
349
From 190 to 230 million years ago
327
Proterozoic
324
From 230 to 280 million years ago
318
Neogene
310
From 405 to 425 million years ago
294
19th century
293
20th century
270
From 500 to 570 million years ago
247
Paleocene
225
From 2 to 10 million years ago
197
From 10 thousand years ago
193
Archaean
186
From 280 to 310 million years ago
181
more ...